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Bar graphs of normalized different growth factors binding preference to surface heparin by competing with different polysaccharides in solution. (A) FGF1 and (B) FGF2. Concentrations were 100 and 33 nM for FGF1 and FGF2, respectively, and concentrations of different polysaccharides were 1000 nM. All bar graphs are based on triplicate experiments and std. dev. is displayed.
